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某商品流通企业某种商品前11个月的实际销售量如下表所示：l时间（月）l 2 3 4 5 6 7 8 9 10 ll 12I实际销售量（台）450 460 490 480 500 520 535 540 560 580 605用算术平均数法预测第12个月的销售量为（）台。

A. 510
B. 520
C. 540
D. 560

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某钢厂的机电安装工程由机电公司承包。工程中部分设备需焊接组装，机电公司派出本单位几位技能熟练的焊接人员进行焊接工程，并对焊接工艺进行评定。评定程序为：拟定焊接工艺指导书→施焊试件和制取试样→检验试件和试样→测定焊接接头是否具有所要求的使用性能→提出焊接工艺评定报告，对拟定的焊接工艺指导书进行评定→按照评定规则对焊接及试验结果进行综合评定。

A 1973 Supreme Court decision and related Senate hearings focused Congressional criticism on the 1966 Freedom of Information Act. Its unconditional exemption of any material stamped" classified "—i, e., containing information considered relevant to national security—forced the Court to uphold non-disclosure in EPA v. Mink. Justice Potter Stewart explained that the Act provided "no means to question a decision to stamp a document ’secret’ ". Senate witnesses testified that the wording of certain articles in the Act permitted bureaucrats to discourage requests for newsworthy documents.
In response, a House committee drafted HR 12471,proposing several amendments to the Act. A provision was reworded to ensure release of documents to any applicant providing a" reasonable description" —exact titles and numbers were no longer to be mandatory. The courts were empowered to review classified documents and rule on their sta
A. Agency denial of a request for information not accompanied by the title and number of the specific document.
B. Release of law enforcement records which might have revealed the identity of an informer.
C. Delay in the release of potentially newsworthy documents.
D. Unreasonable charges for the reproduction of requested documents.

患者男，43岁，因“进食海鲜、饮啤酒后突发左足第1跖趾关节肿痛，行走困难”来诊。查体：左足第1跖趾关节肿胀，关节周围皮肤呈暗红色，皮温增高、触痛明显。实验室检查：血尿酸534μmol/L。提示患者关节肿痛缓解后，未控制饮食，关节症状反复发作，逐渐累及多关节，并出现手、足及耳郭皮下结节，血尿酸678μmol/L。